code: def has_labelled_data(self) -> bool:
      return self._dataset.n_labelled > 0
  
imports: import warnings
  from typing import Any, Callable, Dict, List, Optional
  import numpy
  import torch
  from torch import Tensor
  from torch.utils.data import DataLoader, Dataset, random_split
  from flash.core.data.data_module import DataModule
  from flash.core.data.io.input import InputBase
  from flash.core.data.io.input_transform import create_worker_input_transform_processor
  from flash.core.utilities.imports import _BAAL_AVAILABLE, requires
  from flash.core.utilities.stages import RunningStage
label_desc: Use image node_id 3 for calling the ActiveLearningDataModule obj's underlying member method code with example usage: obj.has_labelled_data() and returns: unknown